LAUNCH                    X-431 PAD III User Manual 
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8 
Vertical  Settings  Panel:  Controls  the  amplitude  of  the  displayed 
signal.  User  can  change  the  volt/div,  coupling  and  probe 
attenuation of the CH1/CH2/CH3/CH4. 
9 
Trigger Settings Panel: Controls the start event of the sweep. 
10 
Channel Selection Button 
11 
Function Menu 
  [Auto]: It indicates auto trigger setting.   
  [Ref]:  There  are  expert  reference  and  base  reference 
available. Expert reference enables you to recall your customized 
expert  database,  whereas  base  reference  provides  automatic 
pre-setting function of specialized sensors. 
  [File]: Provides save snapshot, snapshot manager, waveform 
record and waveform replay. 
  [View]: Calibration and display settings are available. 
[Measure]:  Includes  signal  source  measurement,  horizontal 
measurement, vertical measurement and clear measurement.   
  [Settings]: Shows/hides  the parameter settings area including 
horizontal settings, vertical settings and trigger settings. 
/   [Start/Stop]: Starts/stops collecting waveforms. 
12.4 Operations 
12.4.1 Channel selection and attributes setting 
<1> Channel selection 
There are two ways available for channel selection:   
A. Select from the channel tab shown at the bottom of the waveform display area 
B. Select from Vertical settings 
*Note:  For  better  comparison  and  identification,  each  channel  and  waveform  are 
marked in different colors.